JH

Jan H. Halm

U.S. Philips: 1 patents #205 of 1,030Top 20%
📍 Hilversum, NL: #4 of 20 inventorsTop 20%
Overall (1989): #100,594 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4829548 Dental X-ray examination apparatus Leonardus H. J. Post, Johannes F. van Otterdijk, Paul F. van der Stelt 1989-05-09